Sybase DC35823-01-1500-04 manual Heterogeneous and homogeneous environments, Chico

Heterogeneous and homogeneous environments

Figure 5-1: Establishing network connections in a heterogeneous environment

PC clients

		sql.ini
	Get Harpo’s	[Harpo]
	address and	xxxxx
	connect.
PC clients		[Chico]
	Get Chico’s	xxxxx
	address and
	connect.

Harpo SQL

server	Make a remote
	procedure call to
	Chico.
		interfaces
		Harpo
Chico SQL		xxxxx
		Chico
server
		xxxxx

If both a client and a server are running under UNIX, the same interfaces file is valid for both. Figure 5-2 illustrates how clients and Adaptive Servers running in a homogeneous environment can use copies of the interfaces file to establish connections. Because the two Adaptive Servers are running under the same operating system, they can use the same interfaces file or exact copies of the same file.

54 Adaptive Server Enterprise